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KYMCO ZING 150 User Manual

KYMCO ZING 150
182 pages
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PREFACE
This Service Manual describes the
technical features and servicing
procedures for the KYMCO Zing
125/150.
Section 1 contains the precautions for all
operations stated in this manual. Read
them carefully before starting any
operation.
Section 2 is the inspection/ adjustment
procedures, safety rules and service
information for each part, starting from
periodic maintenance.
Sections 3 and 4 state the servicing
procedures and cautions for the removal
and installation of lubrication and fuel
systems.
Sections 5 through 19 give instructions
for disassembly, assembly and inspection
of engine, chassis frame and electrical
equipment.
Most sections start with an assembly or
system illustration and troubleshooting
for the section. The subsequent pages
give detailed procedures for the section.
KWANG YANG MOTOR CO., LTD.
OVERSEAS SALES DEPARTMENT
OVERSEAS SERVICE SECTION
TABLE OF CONTENTS
GENERAL INFORMATION 1
INSPECTION/ADJUSTMENT 2
LUBRICATION SYSTEM 3
FUEL SYSTEM 4
ENGINE REMOVAL/INSTALLATION 5
CYLINDER HEAD/VALVES 6
CYLINDER/PISTON 7
STARTER MOTOR/GENERATOR/
LEFT CRANKCASE COVER/STARTER
CLUTCH/CAMSHAFT
8
CLUTCH/GEAR SHIFT MECHANISM 9
ENGINE
CRANKCASE/CRANKSHAFT/TRANS-
MISSION SYSTEM/STARTER SPINDLE
10
FRONT WHEEL/SUSPENSION/
STEERING
11
REAR WHEEL/BRAKE/SUSPENSION 12
HYDRAULIC BRAKE 13
CHASSIS
REAR CARRIER/REAR FENDER/
EXHAUST MUFFLER
14
IGNITION SYSTEM 15
CHARGING SYSTEM 16
STARTING SYSTEM 17
ELECTRICAL
EQUIPMENT
LIGHTS/INSTRUMENTS/SWITCHES/
HORN
18
EVAPORATIVE EMISSION CONTROL
SYSTEM
EM
ISSION
CONTROL
EXHAUST EMISSION CONTROL
SYSTEM
19
The information and contents included
in this manual may be different from
the motorcycle in case specifications
are changed.

Table of Contents

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KYMCO ZING 150 Specifications

General IconGeneral
IgnitionCDI
Front SuspensionTelescopic fork
Bore x Stroke57.4 mm x 57.8 mm
Starting SystemElectric starter
Transmission5-speed
Rear SuspensionDual shock absorbers
Front BrakeDisc
Rear BrakeDrum

Summary

General Information

Service Precautions

Important safety and procedural guidelines for servicing the motorcycle.

Torque Values

Specific torque settings for important fasteners throughout the motorcycle.

Wiring Diagram

Schematic representation of the motorcycle's electrical system wiring.

Troubleshooting

Diagnostic guides for common problems like starting issues and poor performance.

Inspection and Adjustment

Maintenance Schedule

Periodic maintenance schedule outlining required inspections and service intervals.

Valve Clearance

Steps for inspecting and adjusting valve clearance on a cold engine.

Ignition Timing

Procedure for checking ignition timing using a timing light.

Cylinder Compression

Steps for measuring cylinder compression and interpreting results.

Lubrication System

Troubleshooting

Diagnostic information for common lubrication system issues like low oil level.

Engine Oil/Oil Filter

Procedures for checking oil level, changing engine oil, and cleaning the oil filter screen.

Oil Pump/Oil Filter Rotor

Detailed steps for removal, disassembly, inspection, assembly, and installation of the oil pump.

Fuel System

Float/Float Valve/Jets/Accelerating Pump

Disassembly and inspection of carburetor's float system and accelerating pump.

Float Level Inspection

Method for measuring and adjusting the carburetor's float level.

Engine Removal and Installation

Engine Removal

Detailed step-by-step procedure for removing the engine from the motorcycle.

Engine Installation

Procedure for installing the engine back into the motorcycle frame.

Cylinder Head and Valves

Cylinder Head Removal

Procedure for removing the cylinder head from the engine block.

Cylinder Head Disassembly

Steps for disassembling the cylinder head, including valve components.

Inspection (Cylinder Head)

Checking cylinder head for cracks, warpage, and valve spring free length.

Valve /Valve Guide

Inspection of valves and valve guides, including stem O.D. measurement.

Valve Guide Replacement

Procedure for removing old and installing new valve guides.

Valve Seat Inspection & Refacing

Inspecting valve seats and procedures for refacing or grinding.

Valve Seat Grinding

Detailed steps for grinding valve seats using various cutters.

Cylinder Head Assembly

Procedure for assembling the cylinder head with valves, springs, and seals.

Cylinder Head Installation

Steps for installing the assembled cylinder head onto the engine cylinder.

Valve Clearance Adjustment

Final adjustment of valve clearance after cylinder head installation.

Cylinder and Piston

Cylinder Removal

Procedure for removing the cylinder from the engine block.

Piston Removal

Procedure for removing the piston from the cylinder.

Inspection (Piston Rings)

Checking piston rings, measuring ring-to-groove clearance and end gap.

Cylinder Inspection

Inspecting cylinder bore for wear, measuring I.D., roundness, and cylindricity.

Piston Installation

Procedure for installing piston rings onto the piston correctly.

Cylinder Installation

Steps for installing the cylinder over the piston and onto the crankcase.

Starter Motor, Generator, Left Crankcase Cover, Starter Clutch, Camshaft

Left Crankcase Cover/Generator Removal

Steps for removing the left crankcase cover and the generator.

Camshaft Removal

Procedure for removing the camshaft and measuring its lobe height.

Camshaft Installation

Steps for installing the camshaft, aligning timing marks.

Clutch and Gear Shift Mechanism

Clutch Removal

Detailed steps for removing the clutch assembly.

Installation (Gear Shift)

Steps for installing the gear shift cam stopper, cam, and spindle.

Clutch Assembly Installation

Procedure for installing clutch components like friction disks and plates.

Front Wheel, Suspension, and Steering

Front Fork Removal

Procedure for removing the front forks from the motorcycle.

Front Fork Disassembly

Steps for disassembling the front fork components.

Front Fork Assembly

Procedure for assembling the front fork with new seals and oil.

Front Fork Installation

Steps for installing the front fork tubes into the triple tree.

Rear Wheel, Brake, and Suspension

Hydraulic Brake

Brake Fluid Change/Air Bleed

Procedure for changing brake fluid and bleeding air from the system.

Brake System Bleeding

Method for bleeding air from the hydraulic brake system.

Brake Pad/Disk

Procedure for replacing brake pads and inspecting the brake disk.

Disassembly (Brake Master Cylinder)

Steps for disassembling the brake master cylinder.

Assembly (Brake Master Cylinder)

Procedure for assembling the brake master cylinder.

Brake Caliper Disassembly

Steps for disassembling the brake caliper pistons and seals.

Assembly (Brake Caliper)

Procedure for assembling the brake caliper.

Installation (Brake Caliper)

Steps for installing the brake caliper onto the front fork.

Ignition System

Ignition Coil

Tests for ignition coil continuity and performance.

Charging System

Troubleshooting

Diagnostic guide for charging system issues like no power or low power.

Performance Test

Testing the charging system performance with a battery and voltmeter.

Starting System

Troubleshooting (Starter Motor)

Diagnostic guide for starter motor issues like not turning or poor rotation.

Starter Motor Removal

Procedure for removing the starter motor.

Starter Motor Disassembly

Steps for disassembling the starter motor.

Starter Motor Inspection

Checking starter motor commutator, brushes, and bearings.

Starter Motor Assembly

Procedure for assembling the starter motor.

Lights, Instruments, Switches, and Horn

Troubleshooting (Lights)

Diagnosing issues with lights not coming on or dimming.

Handlebar Switches

Checking continuity of front stop, rear stop, turn signal, and headlight switches.

Evaporative/Exhaust Emission Control System

Troubleshooting (Emission)

Diagnostic guide for emission control system issues.

Motorcycle Engine Evaporative Emission Control System Test

Procedures for testing the evaporative emission control system's leakage.

Carburetor Adjustment

Procedure for adjusting carburetor idle speed and pilot screw.

Exhaust Emission Test and Adjustment

Procedure for testing and adjusting exhaust emissions.

Troubleshooting (Exhaust Emission)

Diagnostic guide for exhaust emission control system issues.

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